3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass { public $prop; } $foo = new MyClass(); $foo->prop = 'test1'; $bar = clone $foo; $bam = new MyClass(); $bam->prop = 'test2'; $test = array($foo, $bar, $bam); var_export(array_unique($test, SORT_REGULAR));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HfHPm
function name:  (null)
number of ops:  24
compiled vars:  !0 = $foo, !1 = $bar, !2 = $bam, !3 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $4      'MyClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $4
    8     3        ASSIGN_OBJ                                               !0, 'prop'
          4        OP_DATA                                                  'test1'
   10     5        CLONE                                            ~8      !0
          6        ASSIGN                                                   !1, ~8
   12     7        NEW                                              $10     'MyClass'
          8        DO_FCALL                                      0          
          9        ASSIGN                                                   !2, $10
   13    10        ASSIGN_OBJ                                               !2, 'prop'
         11        OP_DATA                                                  'test2'
   15    12        INIT_ARRAY                                       ~14     !0
         13        ADD_ARRAY_ELEMENT                                ~14     !1
         14        ADD_ARRAY_ELEMENT                                ~14     !2
         15        ASSIGN                                                   !3, ~14
   17    16        INIT_FCALL                                               'var_export'
         17        INIT_FCALL                                               'array_unique'
         18        SEND_VAR                                                 !3
         19        SEND_VAL                                                 0
         20        DO_ICALL                                         $16     
         21        SEND_VAR                                                 $16
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Class MyClass: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
179.56 ms | 1395 KiB | 17 Q